import matplotlib.pyplot as plt

from random_walk import RandomWalk

#只要程序处于活动状态,就不断地模拟随机漫步
while True:
    #创建一个RandomWalk实例
    rw=RandomWalk(50_000)
    rw.fill_walk()

    #将所有的点都绘制出来
    plt.style.use('classic')
    fig,ax=plt.subplots(figsize=(10,6))
    point_numbers=range(rw.num_points)
    ax.scatter(rw.x_values,rw.y_values,c=point_numbers,cmap=plt.cm.Blues,
               edgecolors='none',s=1)
    
    #突出起点和终点
    ax.scatter(0,0,c='green',edgecolors='none',s=100)
    ax.scatter(rw.x_values[-1],rw.y_values[-1],c='red',edgecolors='none',
               s=100)
    
    #隐藏坐标轴
    ax.get_xaxis().set_visible(False)
    ax.get_yaxis().set_visible(False)

    plt.show()

    keep_running=input('Make another walk ? (y/n):')
    if keep_running=='n':
        break
